Truck bed cover



FIG. 1 is a perspective view of a truck bed cover showing my new design therefor;

FIG. 2 is a left side elevational view, the right side being identical thereto;

FIG. 3 is a side elevational view, showing the front, the rear being identical thereto;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view. 

The ornamental design for a truck bed cover, as shown and described. 